Nearly 45 per cent of Covid-19 cases in India have been reported from five cities — Mumbai, Delhi, Ahmedabad, Indore, and Pune. Mumbai and Delhi, which have the most cases, also have the busiest international airports in the country. These airports started screening passengers from China and Hong Kong on January 18.
High population density, coupled with poor sanitation facilities, in all the five cities could be a reason for the rampant spreading of the virus.
Mumbai and its satellite towns, and Pune